Haynes, Robert J.
George Allen and Unwin, 1980
Buku Teks
Grolier, Eric de
Unesco, 1979
Buku Teks
Kety Fillaily, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Tesis (Membership)
University League for Social Reform; edited by Peter Russell
McGraw-Hill, 1966
Buku Teks
Backing, Richard C
James Lewis ,
Buku Teks